<div ng-controller="TBColorCtrl as cc">
  <div class="color-group" ng-repeat="cr in cc.ary2">
    <i class="color-block" ng-repeat="color in cr" style="background-color:{{color}};"
      ng-click="cc.upcolor(color)"></i>
  </div>
  <button class="custom-btn">自定义</button>
</div>